gms | German Medical Science

14th Triennial Congress of the International Federation of Societies for Surgery of the Hand (IFSSH), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT)

17.06. - 21.06.2019, Berlin

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Classification of distal finger tumours

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  • presenting/speaker Ali Cavit - Uludag University Faculty of Medicine, Bursa, Turkey
  • Tufan Kaleli - Uludag University Faculty of Medicine, Bursa, Turkey
  • Mehmet Tunc Mocan - Igdir State Hospital, Igdir, Turkey
  • Sercan Capkin - Uludag University Faculty of Medicine, Bursa, Turkey

International Federation of Societies for Surgery of the Hand. International Federation of Societies for Hand Therapy. 14th Triennial Congress of the International Federation of Societies for Surgery of the Hand (IFSSH), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT), 11th Triennial Congress of the International Federation of Societies for Hand Therapy (IFSHT). Berlin, 17.-21.06.2019. Düsseldorf: German Medical Science GMS Publishing House; 2020. DocIFSSH19-1128

doi: 10.3205/19ifssh1182, urn:nbn:de:0183-19ifssh11826

Published: February 6, 2020

© 2020 Cavit et al.
This is an Open Access article distributed under the terms of the Creative Commons Attribution 4.0 License. See license information at http://creativecommons.org/licenses/by/4.0/.

Outline

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Objectives/Interrogation: This study aims to define a new classification system by dividing the distal finger into zones according to their anatomical formations and natural boundaries, to determine the histopathologic diagnosis of the finger tumours presenting in these regions and examine the tumour distribution according to these zones.

Methods: Between January 1995 and February 2016, 61 patients with distal finger tumours and tumour-like lesions were retrospectively evaluated. Patients' gender, age, clinical features, radiological findings, tumour localisations and histopathologic features were evaluated. The distal finger was divided into two zones (zone 1 and 2) according to their anatomical characteristics; zone 1, the interphalangeal joint of the thumb, distal interphalangeal joint of the other fingers and the surrounding soft tissue; zone 2a, nail and surrounding structures; zone 2b, distal phalanx zone and zone 2c, finger pulp.

Results and Conclusions: Lesions originating from soft tissue and bone comprised 91.8% (n = 56) and 8.2% (n = 5) of the tumour and tumour-like lesion population, respectively. According to our distal finger tumour classification, majority tumours and tumour-like lesions were located in zone 2a (nail complex; 44%), followed by zone 1 (joint and surrounding soft tissue; 30%). The most common tumour lesion according to the identified zones was GCTTS in zone 1 and zone 2c, glomus tumour in zone 2a and enchondroma in zone 2b.

The widespread use of this classification system could provide an idea of the possible pathologies when encountering a patient with a distal finger mass, thereby enabling more accurate surgical planning.